Albuquerque, New Mexico-based Basis Inc will demonstrate BDxProgression/4, its revamped third generation application development environment for client-server environments: BDxProgression/4 software enhancements include a new set of data dictionaries, file system extensions and communication links into relational databases such as Oracle, Sybase and Informix; it also provides migration links to the company’s proprietary language tool, BDx/4l and supports Santa Cruz Operation Inc Unix and AIX.